trace_to_text: fix bad newlines for systrace output
trace_to_text: fix bad newlines for systrace output

Bug: 122606281
Change-Id: I244a6879e62701f5c66cfe433535dc34da6803b3
google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto